Icom IC-M72 Instruction Manual

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Icom IC-M72 Instruction Manual Manual pdf 18 page image

124 BASIC OPERATIONNew2001■ VOX functionNOTE: An optional headset and optional headset adapterare required for the VOX operation.The VOX function (voice operated transmission) starts transmit-ting when you speak into the headset’s microphone. There isno need to push [PTT]. The IC-M72 automatically returns toreceive mode when you stop talking.➥ Push and hold [ ], then push [H/L•LOCK] to turn theVOX function ON or OFF while connecting the headsetand optional headset adapter to [SP MIC] connector.• “VOX” appears on the LCD while the VOX function turns ON.• The VOX gain and VOX delay can be set on the SET mode. (p. 22)• During scan, dual/tri-watch or on a transmission inhibited chan-nel, the VOX function will not be activated.■ AquaQuake water draining functionThe IC-M72 uses a new technology to clear water away fromthe speaker grill: AquaQuake. AquaQuake helps drain wateraway from the speaker housing (water that might otherwisemuffle the sound coming from the speaker) . The IC-M72 emits avibrating noise when this function is being used.➥ Push and hold both [16•9] and [H/L•LOCK].• A low beep tone sounds for 9 sec. to drain water, regardless of[VOL] control setting.• The transceiver never accepts a key operation while the Aqua-Quake function is activated. And this function won’t be activatedwhen an optional speaker-microphone or headset is connected.■ Channel namingThe IC-M72 has a capability to assign up to 10-characterchannel names or comments for each operating channel, in-cluding each weather channel. This provides easy recognitionof channel usage, or station names, etc.When shipped from the factory, the IC-M72 is programmedwith default names for each VHF marine channel. These de-faults can be changed, if desired.You may replace the factory-set opening comment with acomment of your own. The opening comment appears eachtime the IC-M72 is powered ON. The comment may be up to16 characters long.D Available characters(=)(4)(D)(N)(X)(h)(r)(�)(5)(E)(O)(Y)(i)(s)(+)(6)(F)(P)(Z)(j)(t)(7)(G)(Q)(a)(k)(u)(,)(8)(H)(R)(b)(l)(v)(/)(9)(I)(S)(c)(m)(w)(0)(Space)(J)(T)(d)(n)(x)(1)(A)(K)(U)(e)(o)(y)(2)(B)(L)(V)(f)(p)(z)(3)(C)(M)(W)(g)(q)(–)